/* CSS Custom Properties */
:root {
    /* Colors using HSL format */
    --primary-color: 210 79% 46%; /* #1E5BA8 */
    --primary-light: 210 79% 60%; /* #4A7BC8 */
    --primary-dark: 210 79% 35%; /* #164485 */
    --secondary-color: 45 100% 51%; /* #FFA500 */
    --background: 210 11% 98%; /* #F5F7FA */
    --surface: 0 0% 100%; /* #FFFFFF */
    --text-primary: 210 17% 18%; /* #263238 */
    --text-secondary: 210 9% 45%; /* #6B7280 */
    --text-muted: 210 9% 65%; /* #9CA3AF */
    --border: 210 14% 89%; /* #E5E7EB */
    --success: 142 76% 36%; /* #10B981 */
    --warning: 45 93% 47%; /* #F59E0B */
    --error: 0 84% 60%; /* #EF4444 */
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: hsl(var(--text-primary));
    background-color: hsl(var(--background));
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: hsl(var(--text-primary));
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text-secondary));
}

a {
    color: hsl(var(--primary-color));
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: hsl(var(--primary-dark));
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

.btn-primary {
    background-color: hsl(var(--primary-color));
    color: white;
}

.btn-primary:hover {
    background-color: hsl(var(--primary-dark));
    color: white;
}

.btn-secondary {
    background-color: hsl(var(--text-secondary));
    color: white;
}

.btn-secondary:hover {
    background-color: hsl(var(--text-primary));
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: hsl(var(--primary-color));
    border: 2px solid hsl(var(--primary-color));
}

.btn-outline:hover {
    background-color: hsl(var(--primary-color));
    color: white;
}

/* Header */
.header {
    background-color: hsl(var(--surface));
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    color: hsl(var(--text-primary));
    text-decoration: none;
}

.logo {
    height: 40px;
    width: auto;
    margin-right: var(--spacing-sm);
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: hsl(var(--text-secondary));
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: hsl(var(--primary-color));
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text-primary));
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl) 0;
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--surface)) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text-primary));
}

.hero-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: hsl(var(--text-secondary));
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-img {
    width: 100%;
    height: auto;
    max-width: 500px;
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: hsl(var(--text-secondary));
}

/* About Section */
.about {
    background-color: hsl(var(--surface));
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.about-text h3 {
    color: hsl(var(--primary-color));
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.about-text h3:first-child {
    margin-top: 0;
}

.feature-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.feature-list li {
    color: hsl(var(--text-secondary));
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    background-color: hsl(var(--background));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
}

.stat-item {
    text-align: center;
}

.stat-item h4 {
    font-size: var(--font-size-3xl);
    color: hsl(var(--primary-color));
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    color: hsl(var(--text-secondary));
    margin: 0;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    color: hsl(var(--primary-color));
    margin-bottom: var(--spacing-md);
}

/* Features Section */
.features {
    background-color: hsl(var(--surface));
}

.features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.features-img {
    width: 100%;
    height: auto;
    max-width: 400px;
}

.feature-item {
    margin-bottom: var(--spacing-xl);
}

.feature-item h4 {
    color: hsl(var(--primary-color));
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    margin: 0;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.quote-icon {
    width: 30px;
    height: 30px;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text-primary));
}

.testimonial-author strong {
    color: hsl(var(--primary-color));
    display: block;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    color: hsl(var(--text-muted));
    font-size: var(--font-size-sm);
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, hsl(var(--primary-color)) 0%, hsl(var(--primary-dark)) 100%);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.newsletter p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
}

.newsletter-privacy {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.newsletter-privacy a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

/* Contact Section */
.contact {
    background-color: hsl(var(--surface));
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item h4 {
    color: hsl(var(--primary-color));
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    margin: 0;
    color: hsl(var(--text-secondary));
}

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: hsl(var(--text-primary));
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: hsl(var(--primary-color));
    box-shadow: 0 0 0 3px hsla(var(--primary-color), 0.1);
}

/* Footer */
.footer {
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    height: 30px;
    width: auto;
    margin-right: var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.footer-brand-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
    font-size: var(--font-size-lg);
}

.social-links a:hover {
    background-color: hsl(var(--primary-color));
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.cookie-settings-link {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    text-decoration: underline;
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.cookie-settings-link:hover {
    color: white;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--spacing-md);
    z-index: 1001;
    box-shadow: var(--shadow-lg);
}

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.cookie-content p {
    margin: 0;
    flex: 1;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1002;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cookie-modal-content {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-modal-content h3 {
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text-primary));
}

.cookie-category {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius);
}

.cookie-toggle {
    display: flex;
    align-items: center;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
}

.cookie-toggle input[type="checkbox"] {
    margin-right: var(--spacing-sm);
}

.cookie-toggle input[type="checkbox"]:disabled {
    cursor: not-allowed;
}

.cookie-category p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: hsl(var(--text-secondary));
}

.cookie-modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: hsl(var(--surface));
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid hsl(var(--border));
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* About */
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    /* Features */
    .features-content {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    /* Cookie Banner */
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
    
    /* Newsletter */
    .newsletter-form .form-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
input:focus,
textarea:focus,
.nav-link:focus {
    outline: 2px solid hsl(var(--primary-color));
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .cookie-modal {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        padding-top: var(--spacing-xl) !important;
    }
}